September weather forecastSankt Annen, Germany
September
Weather in September
September, the first month of the autumn in Sankt Annen, is still a refreshing month, with an average temperature ranging between min 12.1°C (53.8°F) and max 17.3°C (63.1°F).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a pleasant 20.5°C (68.9°F) in August to an enjoyable 17.3°C (63.1°F). In September, Sankt Annen records an average nighttime temperature of 12.1°C (53.8°F).Humidity
The average relative humidity in September in Sankt Annen is 82%.Rainfall
In Sankt Annen, in September, it is raining for 17.8 days, with typically 57mm (2.24") of accumulated precipitation. Throughout the year, in Sankt Annen, Germany, there are 188.6 rainfall days, and 589mm (23.19") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 42min.On the first day of September in Sankt Annen, sunrise is at 06:32 and sunset at 20:14. On the last day of the month, sunrise is at 07:24 and sunset at 19:02 CEST.
Sunshine
In September, the average sunshine in Sankt Annen is 7.1h.UV index
In Sankt Annen, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sankt Annen, Germany
- Average high temperature in September: 17.3°C
The warmest month (with the highest average high temperature) is August (20.5°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in September
Sankt Annen, Germany
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
Sankt Annen, Germany
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is December (22.1km/h).
The calmest month (with the lowest average wind speed) is August (15.1km/h).
Average humidity in September
Sankt Annen, Germany
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Sankt Annen, Germany
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is August (77mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Sankt Annen, Germany
- Average rainfall days in September: 17.8 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in September
Sankt Annen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sankt Annen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sankt Annen, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The months with the least sunshine are February and December (Average sunshine: 3h and 18min).
Average sunshine days in September
Sankt Annen, Germany
- Average sunshine days in September: 8.8 days
The month with the most sunshine days is April (15.1 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in September
Sankt Annen, Germany
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Sankt Annen, Germany
- Average cloud cover in September: 50
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Sankt Annen, Germany
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).
